From: Finn Thain <fthain@telegraphics.com.au>
To: Tony Asleson <tasleson@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Christoph Hellwig <hch@infradead.org>,
linux-scsi@vger.kernel.org, linux-block@vger.kernel.org,
linux-ide@vger.kernel.org, Hannes Reinecke <hare@suse.de>,
pmladek@suse.com, David Lehman <dlehman@redhat.com>,
sergey.senozhatsky@gmail.com, jbaron@akamai.com,
James.Bottomley@HansenPartnership.com,
linux-kernel@vger.kernel.org, rafael@kernel.org,
martin.petersen@oracle.com, kbusch@kernel.org, axboe@fb.com,
sagi@grimberg.me, akpm@linux-foundation.org,
orson.zhai@unisoc.com, viro@zeniv.linux.org.uk
Subject: Re: [v5 01/12] struct device: Add function callback durable_name
Date: Thu, 8 Oct 2020 17:22:50 +1100 (AEDT) [thread overview]
Message-ID: <alpine.LNX.2.23.453.2010081721270.6@nippy.intranet> (raw)
In-Reply-To: <72be0597-a3e2-bf7b-90b2-799d10fdf56c@redhat.com>
On Wed, 7 Oct 2020, Tony Asleson wrote:
> The log information is not helpful without the information to correlate
> to the actual device.
Log messages that associate one entity with another can be generated
whenever such an association comes into existence, which is probably when
devices get probed.
E.g. a host:channel:target:lun identifier gets associated with a block
device name by the dev_printk() calls in sd_probe():
[ 3.600000] sd 0:0:0:0: [sda] Attached SCSI disk
BTW, if you think of {"0:0:0:0","sda"} as a row in some normalized table
and squint a bit, this problem is not unlike the replication of database
tables over a message queue.
next prev parent reply other threads:[~2020-10-08 6:22 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-25 16:19 [v5 00/12] Add persistent durable identifier to storage log messages Tony Asleson
2020-09-25 16:19 ` [v5 01/12] struct device: Add function callback durable_name Tony Asleson
2020-09-26 9:08 ` Sergei Shtylyov
2020-09-27 14:22 ` Tony Asleson
2020-09-27 16:15 ` Sergei Shtylyov
2020-09-29 17:51 ` Christoph Hellwig
2020-09-29 18:04 ` Greg Kroah-Hartman
2020-09-29 22:04 ` Tony Asleson
2020-09-30 7:38 ` Greg Kroah-Hartman
2020-09-30 7:40 ` Greg Kroah-Hartman
2020-09-30 14:35 ` Tony Asleson
2020-10-01 11:48 ` Greg Kroah-Hartman
2020-10-07 20:10 ` Tony Asleson
2020-10-08 4:48 ` Greg Kroah-Hartman
2020-10-08 20:49 ` Martin K. Petersen
2020-10-08 5:54 ` Hannes Reinecke
2020-10-08 6:22 ` Finn Thain [this message]
2020-09-25 16:19 ` [v5 02/12] create_syslog_header: Add durable name Tony Asleson
2020-09-25 16:19 ` [v5 03/12] dev_vprintk_emit: Increase hdr size Tony Asleson
2020-09-25 16:19 ` [v5 04/12] scsi: Add durable_name for dev_printk Tony Asleson
2020-09-25 16:19 ` [v5 05/12] nvme: Add durable name " Tony Asleson
2020-09-25 16:19 ` [v5 06/12] libata: Add ata_scsi_durable_name Tony Asleson
2020-09-25 16:19 ` [v5 07/12] libata: Make ata_scsi_durable_name static Tony Asleson
2020-09-26 8:40 ` Sergei Shtylyov
2020-09-26 14:17 ` Tony Asleson
2020-09-26 15:57 ` James Bottomley
2020-09-28 20:35 ` Tony Asleson
2020-09-25 16:19 ` [v5 08/12] Add durable_name_printk Tony Asleson
2020-09-26 23:53 ` Randy Dunlap
2020-09-28 15:52 ` Tony Asleson
2020-09-28 17:32 ` Randy Dunlap
2020-09-25 16:19 ` [v5 09/12] libata: use durable_name_printk Tony Asleson
2020-09-25 16:19 ` [v5 10/12] Add durable_name_printk_ratelimited Tony Asleson
2020-09-25 16:19 ` [v5 11/12] print_req_error: Use durable_name_printk_ratelimited Tony Asleson
2020-09-25 16:19 ` [v5 12/12] buffer_io_error: " Tony Asleson
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